This volume contains the ?nal proceedings for the Computer Music Modeling andRetrievalSymposium(CMMR2003).Thiseventwasheldduring26-27May 2003 on the campus of CNRS/Universit´ e de Montpellier II, located in Montp- lier, France. CMMR is a new annual event focusing on important aspects of computer music. CMMR 2003 is the ?rst event in this new series. CMMR 2003 was jointly organized by Aalborg University, Esbjerg in Denmark and LIRMM in France. The use of computers in music is well established. CMMR 2003 provided a unique opportunity to meet and interact with peers concerned with the cro- in?uence of the technological and creative in computer music. The ?eld of c- putermusicisinterdisciplinarybynatureandcloselyrelatedtoanumberofc- puter science and engineering areas such as information retrieval, programming, human computer interaction, digital libraries, hypermedia, arti?cial intelligence, acoustics, signal processing, etc. The event gathered several interesting people (researchers, educators, composers, performers, and others). There were many high-quality keynote and paper presentations that fostered inspiring discussions. I hope that you ?nd the work presented in these proceedings as interesting and exciting as I have. First of all, I would like to thank Marc Nanard, Jocelyne Nanard, and - olaine Prince for the very fruitful cooperation that led to the organization of this ?rst event in the CMMR series. I would also like to thank my colleague Kirstin Lyon for her help in compiling these proceedings. Finally, this volume would not have been possible without the help of Springer-Verlag, Heidelberg.